If i remember clearly i think you have already posted a similar query in community. As i said earlier create a individual prompts for the blocks or query what you have taken them in the dashboard. concatenate all those values from the selectors and pass them into the prompts, take a look at the below link which has the similar function. But i have used a push button here, you can ignore it for your scenario.
Difference between "When value Becomes & When value Changes"